package bookpad.service;

import java.util.List;

import bookpad.common.GUtil;

public abstract class ServiceBase {
    protected boolean isNull(Object o) {
        return GUtil.isNull(o);
    }

    protected boolean isEmpty(List l) {
        return GUtil.isEmpty(l);
    }

    protected void trace(Object log) {
        System.out.println(log);
    }
}
